Hyundai Sonata: Engine coolant - MaintenanceHyundai Sonata: Engine coolant

The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory. Check the antifreeze protection and coolant level at least once a year, at the beginning of the winter season, and before traveling to a colder climate.

Changing the engine oil and filter
Have engine oil and filter changed by an authorized HYUNDAI dealer according to the Maintenance Schedule at the beginning of this section. CALIFORNIA PROPOSITION 65 WARNING Engine oil contains ...

Checking the coolant level
WARNING Removing radiator cap Never attempt to remove the radiator cap while the engine is operating or hot. Doing so might lead to cooling system and engine damage and could result in se ...

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Smart key functions
Carrying the smart key, you may lock and unlock the vehicle doors. Also, you may start the engine. Refer to the following, for more details. Locking Using the door handle switch Pressing ...

Tires and wheels
Tire care For proper maintenance, safety, and maximum fuel economy, you must always maintain recommended tire inflation pressures and stay within the load limits and weight distribution recommend ...

Flex Steer. Components and Components Location
Components Location 1. Flex steering switch ...